지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.20 No.1
- 발행연도
- 2017.1
- 수록면
- 75 - 83 (9page)
이용수
초록· 키워드
오류제보하기
Effectively monitoring the concrete cracks is an urgent question to be solved in the structural safety monitoring while cracks in hydraulic concrete structures are ubiquitous. In this paper, two experiments are designed based on the measuring principle of Pulse-Pre pump Brillouin Optical Time Domain Analysis (PPP-BOTDA) utilizing Brillouin optical fiber sensor to monitor concrete cracks. More specifically, \"V\" shaped optical fiber sensor is proposed to determine the position of the initial crack and the experiment illustrates that the concrete crack position can be located by the mutation position of optical fiber strain. Further, Brillouin distributed optical fiber sensor and preinstall cracks are set at different angles and loads until the optical fiber is fractured. Through the monitoring data, it can be concluded that the variation law of optical fiber strain can basically reflect the propagation trend of the cracks in hydraulic concrete structures.
목차
등록된 정보가 없습니다.
참고문헌 (36)
참고문헌 신청
Bao, X. / 1999 / Characterization of the Brillouin-loss spectrum of single-mode fibers by use of very short (10-ns) pulses / Opt. Lett. 24(8):510~512
Genda Chen / 2016 / Concrete pavement monitoring with PPP-BOTDA distributed strain and crack sensors / Smart Structures and Systems, An International Journal 18(3):405~423
Brown, A.W / 2005 / Distributed sensor based on dark-pulse Brillouin scattering / IEEE Photonics Technol. Lett. 17(7):1501~1503
Chen, S. S. / 2016 / Seismic responses of high concrete face rockfill dams : A case study / Water Sci. Eng 9(3):195~204
Falciai, R. / 2005 / Curved elastic beam with opposed fiber-Bragg gratings for measurement of large displacements with temperature compensation / IEEE Sens. J 5(6):1310~1314
Genda Chen / 2016 / Concrete pavement monitoring with PPP-BOTDA distributed strain and crack sensors / Smart Structures and Systems, An International Journal 18(3):405~423
Brown, A.W / 2005 / Distributed sensor based on dark-pulse Brillouin scattering / IEEE Photonics Technol. Lett. 17(7):1501~1503
Chen, S. S. / 2016 / Seismic responses of high concrete face rockfill dams : A case study / Water Sci. Eng 9(3):195~204
Falciai, R. / 2005 / Curved elastic beam with opposed fiber-Bragg gratings for measurement of large displacements with temperature compensation / IEEE Sens. J 5(6):1310~1314
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